CN216425639U - Cargo Conveying System - Google Patents

Abstract

The utility model provides a goods conveying system, which relates to the technical field of intelligent storage, and comprises a closed-loop conveying line, wherein the closed-loop conveying line comprises a first conveying section and a second conveying section which are sequentially connected end to end, one side of the first conveying section is provided with at least two groups of goods inlets and outlets at intervals, and one side of the second conveying section is provided with at least two sorting conveying lines; at least three first transfer devices are arranged on the closed-loop conveying line, wherein two first transfer devices are respectively positioned at two ends of the first conveying section; the other first transfer devices are positioned between any two picking conveying lines, the other first transfer devices are positioned between any two groups of goods inlets and outlets, and the first transfer devices transfer the goods on the second conveying section to the first conveying section or transfer the goods on the first conveying section to the second conveying section. The cargo conveying system is beneficial to improving the efficiency of cargo conveying.

Description

Cargo Conveying System

technical field

The present disclosure relates to the technical field of intelligent warehousing, and in particular, to a cargo conveying system.

Background technique

With the rapid development of artificial intelligence technology, automation technology and information technology, the intelligence level of terminal logistics is also increasing, and intelligent warehousing is an important part of the logistics process.

In intelligent warehousing, the cargo conveying system is the main equipment that can realize automatic conveying and sorting operations. Through the cargo conveying system, the heavy manual labor of human beings can be reduced, and the efficiency of conveying and sorting operations can be improved. In the related art, the cargo conveying system includes a plurality of U-shaped picking stations, and each U-shaped picking station has a cargo inlet and a cargo outlet. When working, the goods that need to enter multiple U-shaped picking workstations first enter the first U-shaped picking workstation through the goods inlet of the first U-shaped picking workstation to be picked, and the finished goods are picked from the first U-shaped picking workstation. The exit leaves the first U-shaped picking station and enters the handling device, which transports the goods to the goods entrance of the next U-shaped picking station, so that the goods enter the next U-shaped picking station for continued picking.

However, the cargo transport efficiency of the above cargo transport system is relatively low.

Utility model content

Embodiments of the present disclosure provide a goods conveying system, which is used to solve the problem that the goods conveying efficiency of the goods conveying system is relatively low.

In order to achieve the above purpose, the embodiments of the present disclosure provide the following technical solutions:

An embodiment of the present disclosure provides a goods conveying system, including a closed-loop conveying line, wherein the closed-loop conveying line includes a first conveying section and a second conveying section connected end to end in sequence, the first conveying section and the second conveying section The conveying direction is opposite; one side of the first conveying section is provided with at least two groups of goods inlet and outlet, and the goods inlet and outlet include a goods inlet and a goods outlet; one side of the second conveying section is provided with at least two A sorting conveyor line, two ends of the sorting conveyor line are connected to the second conveyor section at intervals, so that the goods on the second conveyor section enter the sorting conveyor line from the first end of the sorting conveyor line , or, make the goods on the picking conveyor line enter the second conveying section from the second end of the picking conveyor line; the closed-loop conveyor line is provided with at least three first transfer devices, two of which are The first transfer devices are respectively located at both ends of the first conveying section; the rest of the first transfer devices are located between any two of the picking conveyor lines, and the rest of the first transfer devices are located at Between any two groups of the goods import and export, the first transfer device transfers the goods on the second conveying section to the first conveying section, or, transfers the goods on the first conveying section. Goods are transferred onto the second conveying section.

The above-mentioned cargo conveying system, optionally, the cargo conveying system further includes an unloader and a feeder; the unloader is arranged at the cargo inlet and is used to transfer the cargo on the unloader to the goods inlet; the feeder is arranged at the goods outlet, and is used for transferring the goods from the goods outlet to the feeder.

The above-mentioned cargo conveying system, optionally, further includes a handling robot, and when the handling robot is docked with the unloader, the unloader is used to transfer the cargo on the handling robot to the unloader. When the handling robot is docked with the feeding machine, the feeding machine is used to transfer the goods on the feeding machine to the handling robot.

In the above-mentioned cargo conveying system, optionally, the cargo inlet and the cargo outlet are arranged adjacently.

In the above cargo conveying system, optionally, the cargo inlet and/or the cargo outlet is provided with a second transfer device, and the second transfer device transfers the cargo from the cargo outlet to the cargo inlet .

In the above cargo conveying system, optionally, the cargo inlet is provided with an integrated loading and unloading machine, and the integrated loading and unloading machine is used to transfer the cargo on the integrated loading and unloading machine to the cargo inlet, Or, the integrated loading and unloading machine is used for transferring the cargo transferred from the cargo outlet to the cargo inlet to the integrated loading and unloading machine.

In the above-mentioned goods conveying system, optionally, the first end of the picking conveying line and the second end of the picking conveying line are sequentially arranged along the conveying direction of the second conveying section; or, the sorting The second end of the conveying line and the first end of the picking conveying line are sequentially arranged along the conveying direction of the second conveying section; the conveying direction of the picking conveying line is from the first end of the picking conveying line to the The second end of the pick conveyor line.

In the above-mentioned cargo conveying system, optionally, there is at least one cargo box space between the first end of the picking conveying line and the second end of the picking conveying line.

In the above-mentioned goods conveying system, optionally, an identification device is provided at an upstream position of each of the picking and conveying lines, and the identification device is used to identify the boxes close to the picking and conveying line, so as to determine the goods Whether the case needs to enter the pick conveyor line.

In the above-mentioned cargo conveying system, optionally, the picking conveyor line includes two picking positions, and two adjacent third transfer devices are arranged between the two picking positions; it is close to the picking conveyor line The third transfer device at the first end of the picking conveyor transfers the goods on the picking conveyor line to the second conveyor section, and the third transfer device near the second end of the picking conveyor line transfers the goods on the picking conveyor line to the second conveyor section. The goods on the second conveying section are transferred to the picking conveying line.

In the above-mentioned cargo conveying system, optionally, the conveying surface of the picking conveying line is inclined, and the side of the conveying surface away from the second conveying section is lower than the conveying surface close to the first conveying section. Two side of the conveying section.

The above-mentioned cargo conveying system, optionally, further includes an auxiliary conveying line, the auxiliary conveying line is arranged above the picking conveying line; the side of the auxiliary conveying line away from the second conveying section is The projection in the vertical direction falls between the side of the picking conveying line far away from the second conveying section and the second conveying section; the bottom surface of the cargo box conveyed by the cargo conveying system is rectangular, so The width of the conveying surface of the auxiliary conveying line is consistent with the width of the bottom surface of the container, and the width of the conveying surface of the picking conveying line is consistent with the length of the bottom surface of the container.

In the above-mentioned goods conveying system, optionally, at least one picking conveying line and/or at least one group of goods import and export are provided between two adjacent first transfer devices.

In the above cargo conveying system, optionally, the unloader includes a discharge rack and a first lift mechanism, and the first lift mechanism is provided between the discharge rack and the goods inlet; the The unloading rack transfers the goods on the handling robot to the unloading rack, and the first lifting mechanism transfers the goods on the unloading rack to the goods inlet.

In the above-mentioned cargo conveying system, optionally, the loading machine includes a loading rack and a second lifting mechanism, and the second lifting mechanism is arranged between the loading rack and the goods outlet; the The second lifting mechanism transfers the goods from the goods outlet to the loading rack, and the loading rack transfers the goods on the loading rack to the transport robot.

In the above-mentioned cargo conveying system, optionally, the integrated loading and unloading machine includes a loading and unloading rack and a third lifting mechanism, and the third lifting mechanism is arranged between the loading and unloading rack and the goods inlet. time; when the loading and unloading integrated machine is loading, the third lifting mechanism transfers the goods transferred from the cargo outlet to the cargo inlet to the loading and unloading rack, and the loading and unloading rack lifts the The goods on the loading and unloading racks are transferred to the handling robot; when the integrated loading and unloading machine unloads, the loading and unloading racks transfer the goods on the transporting robot to the loading and unloading racks, and the first Three lifting mechanisms transfer the goods on the loading and unloading racks to the goods inlet.

In the above-mentioned cargo conveying system, optionally, the handling robot includes a mobile base and a robot shelf arranged on the mobile base, and the robot shelf is used to integrate with a loading machine, an unloading machine or a loading and unloading machine. The machine docks and transfers the goods.

In the above-mentioned goods conveying system, optionally, the closed-loop conveying line is provided with conveying rollers or conveyor belts, and the conveying rollers or conveying belts on the closed-loop conveying line drive the goods to move along the conveying direction of the closed-loop conveying line ; Conveying rollers or conveyor belts are arranged on the picking conveyor line, and the conveyor rollers or conveyor belts on the picking conveyor line drive the goods to move along the conveying direction of the picking conveyor line.

In the above-mentioned cargo conveying system, optionally, the first transfer device or the second transfer device is a push-pull rod, and the push-pull rod transfers the cargo along the transfer direction.

In the above-mentioned cargo conveying system, optionally, the first transfer device or the second transfer device is a lifting rolling member, and when the lifting rolling member is raised, the cargo is supported on the lifting rolling member , the lifting rolling element drives the goods to move along the loading direction; when the lifting rolling element is lowered, the goods return to the conveying state.

In the above-mentioned cargo conveying system, optionally, the third transfer device is a push-pull rod, and the push-pull rod transfers the cargo along the transfer direction.

In the above-mentioned cargo conveying system, optionally, the third transfer device is a lifting rolling member, when the lifting rolling member is raised, the cargo is supported on the lifting rolling member, and the lifting rolling member drives the cargo Move along the transfer direction; when the lifting rolling element is lowered, the goods return to the conveying state.

The cargo conveying system provided by the embodiments of the present disclosure has the following advantages:

In the goods conveying system provided by the embodiments of the present disclosure, at least two picking conveying lines are arranged on the closed-loop conveying line, so that goods that need to enter multiple picking and conveying lines can be directly conveyed along the closed-loop conveying line and enter the multiple picking and conveying lines one by one. Picking can not only save the transfer device between the various picking conveyor lines, but also help to improve the efficiency of goods transportation. Closed-loop conveyor lines also allow items to re-route back to the missed pick conveyor entry when they miss their entry into the pick conveyor.

Further, by setting at least three first transfer devices on the closed-loop conveying line, the first transfer devices can transfer the goods on the second conveying section to the first conveying section, or, the first conveying section The goods are transferred to the second conveying section. On the one hand, the goods entering the first conveying section through the goods inlet can be selected to enter the second conveying section through the first transfer device with a relatively short conveying path and enter the picking conveyor line, or the goods that have been picked in the picking conveyor line can be selected. By selecting the first transfer device with a relatively short conveying path to enter the first conveying section and leave from the goods outlet, the goods do not need to go around a large circle along the closed-loop conveying line, which is beneficial to further improve the efficiency of goods conveying. On the other hand, the goods that have missed the picking and conveying line can choose to bypass the first transfer device with a relatively short conveying path to return to the missed picking and conveying line, so as to further improve the efficiency of goods conveying.

In addition to the technical problems solved by the above-described embodiments of the present disclosure, the technical features constituting the technical solutions, and the beneficial effects brought by the technical features of the technical solutions, other problems that can be solved by the cargo conveying system provided by the embodiments of the present disclosure The technical problems, other technical features included in the technical solution, and the beneficial effects brought about by these technical features will be described in further detail in the specific embodiments.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following briefly introduces the accompanying drawings used in the description of the embodiments or related technologies. Obviously, the drawings in the following description are the For some embodiments of the application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic top view 1 of a cargo conveying system according to an embodiment of the present disclosure;

2 is a second schematic top view of a cargo conveying system according to an embodiment of the present disclosure;

FIG. 3 is a third schematic top view of a cargo conveying system according to an embodiment of the present disclosure;

FIG. 4 is a schematic top view 1 of a partially closed-loop conveying line and a sorting conveying line according to an embodiment of the present disclosure;

5 is a second schematic top view of a partially closed-loop conveying line and a sorting conveying line according to an embodiment of the present disclosure;

FIG. 6 is a schematic side view of setting an auxiliary conveying line above the picking conveying line in FIG. 4;

FIG. 7 is a schematic structural diagram of the docking between a handling robot and an unloader according to an embodiment of the present disclosure.

Description of reference numbers:

100-closed-loop conveying line; 110-first conveying section; 111-cargo inlet; 112-cargo export; 120-second conveying section; 121-picking conveying line; 122-identification device; 130-first transfer device; - second transfer device; 150 - third transfer device;

200-unloader; 210-unloading rack; 220-first lifting mechanism;

300-feeder;

400 - Loading and unloading integrated machine;

500-handling robot; 510-mobile base; 520-robot shelf;

600 - Auxiliary Conveyor Line.

Detailed ways

Since the multiple U-shaped picking workstations in the related art goods conveying system are independently set, the goods that need to be picked by entering the multiple U-shaped picking workstations need to be transported between the various picking conveyor lines through the handling device. In this process, the goods need to be transferred from the previous U-shaped picking station to the handling device, the handling device will transport the goods to the next picking station, and the goods will be transferred from the handling device to another U-shaped picking station, which not only leads to the transportation of goods. The efficiency is relatively low, and more handling devices are required.

In order to solve the above problem, an embodiment of the present disclosure provides a goods conveying system. By arranging at least two picking and conveying lines on a closed-loop conveying line, goods that need to enter multiple picking and conveying lines can be directly conveyed along the closed-loop conveying line and Entering multiple picking conveyor lines one by one for picking, which not only saves the transfer device between each picking conveyor line, but also helps to improve the efficiency of goods transportation. Further, an embodiment of the present disclosure provides a goods conveying system by arranging at least three first transfer devices on a closed-loop conveying line, so that the first transfer devices transfer the goods on the second conveying section to the first conveying device or, transfer the goods on the first conveying segment to the second conveying segment. On the one hand, the goods entering the first conveying section through the goods inlet can be selected to enter the second conveying section through the first transfer device with a relatively short conveying path and enter the picking conveyor line, or the goods that have been picked in the picking conveyor line can be selected. By selecting the first transfer device with a relatively short conveying path to enter the first conveying section and leave from the goods outlet, the goods do not need to go around a large circle along the closed-loop conveying line, which is beneficial to further improve the efficiency of goods conveying. On the other hand, the goods that have missed the picking and conveying line can choose to bypass the first transfer device with a relatively short conveying path to return to the missed picking and conveying line, so as to further improve the efficiency of goods conveying.

In order to make the purposes, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments These are some, but not all, embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

1 is a schematic top view of a cargo conveying system according to an embodiment of the present disclosure; FIG. 2 is a schematic top view of a cargo transport system provided by an embodiment of the present disclosure; Schematic top view 3 of the conveying system; FIG. 4 is a schematic top view 1 of a partially closed-loop conveyor line and a sorting conveyor line provided by an embodiment of the present disclosure; 6 is a schematic side view of an auxiliary conveying line set above the picking conveying line in FIG. 4;

1 to 7 , an embodiment of the present disclosure provides a cargo conveying system, including a closed-loop conveying line 100 . The closed-loop conveying line 100 includes a first conveying section 110 and a second conveying section 120 connected end to end in sequence. The first conveying section The conveying directions of 110 and the second conveying section 120 are opposite. Exemplarily, the first conveying section 110 and the second conveying section 120 both extend along a straight line and are parallel to each other.

One side of the first conveying section 110 is provided with at least two groups of goods inlet and outlet at intervals, and the goods inlet and outlet include a goods inlet 111 and a goods outlet 112 . One side of the second conveying section 120 is provided with at least two picking and conveying lines 121 , and both ends of the picking and conveying lines 121 are connected to the second conveying section 120 at intervals, so that the goods on the second conveying section 120 can be removed from the sorting and conveying line 121 The first end of the picking conveyor line 121 enters the picking conveyor line 121 , or the goods on the picking conveyor line 121 enter the second conveyor section 120 from the second end of the picking conveyor line 121 . Exemplarily, the picking conveying line 121 can be U-shaped, and both ends of the U-shaped picking conveying line can be connected to the second conveying section 120 respectively through the transfer device; Both ends of the wire can be connected to the second conveying section 120 respectively through the transfer device.

The closed-loop conveying line 100 is provided with at least three first transfer devices 130, wherein two first transfer devices are located at both ends of the first conveying section 110, so that the first conveying section 110 and the second conveying section 120 are The two ends are respectively connected by the first transfer device 130, so that the first conveying section 110, the second conveying section 120 and the first transfer device 130 located at both ends of the first conveying section 110 together form a closed loop, so as to realize the closed-loop conveying line 100 closed-loop delivery functions. Optionally, the first conveying section 110 and the second conveying section 120 can change the conveying direction according to actual needs, and the first transfer devices 130 located at both ends of the first conveying section 110 can also change the conveying direction according to actual needs, so that the closed-loop conveying can be achieved. The thread 100 can be fed either clockwise or counterclockwise.

The remaining first transfer devices 130 are located between any two picking and conveying lines 121 , and the remaining first transfer devices 130 are located between any two groups of cargo inlets and outlets. Optionally, the transfer directions of the remaining first transfer devices 130 can be changed according to actual needs; the number of the remaining first transfer devices 130 can be set to one, two or more according to actual needs.

In specific implementation, the first transfer device 130 transfers the goods on the second conveying section 120 to the first conveying section 110, so that the sorted goods can choose a relatively short path to leave the closed-loop conveying line 100; or, the first A transfer device 130 transfers the goods on the first conveying section 110 to the second conveying section 120 , so that the goods entering the first conveying section 110 can choose a relatively short path to enter the picking conveying line 121 . It should be understood that this is only an example of the function of the first transfer device 130 in the goods conveying system, and is not a limitation of the function of the first transfer device 130 in the goods conveying system.

Referring to FIGS. 1 , 2 and 7 , the cargo conveying system may further include an unloader 200 and a feeder 300 . The unloader 200 is disposed at the cargo inlet 111 and is used to transfer the cargo on the unloader 200 to the cargo inlet 111 . The loading machine 300 is disposed at the cargo outlet 112 and is used to transfer the cargo from the cargo outlet 112 to the loading machine 300 .

The cargo conveying system may further include a handling robot 500 . When the handling robot 500 is docked with the unloader 200 , the unloader 200 is used to simultaneously transfer a plurality of goods on the handling robot 500 to the unloader 200 . When the handling robot 500 is docked with the feeding machine 300 , the feeding machine 300 is used to simultaneously transfer a plurality of goods on the feeding machine 300 to the handling robot 500 .

In specific implementation, the handling robot 500 can pick up the goods from the storage shelf, and carry the goods to the docking machine 200 , and the unloader 200 can transfer multiple goods on the handling robot 500 to the unloader 200 at the same time. On the other hand, the unloader 200 can transfer the goods on the unloader 200 to the goods inlet 111 , so that the goods enter the closed-loop conveying line 100 through the goods inlet 111 . The goods on the closed-loop conveying line 100 enter the loader 300 through the goods outlet 112. The loader 300 can simultaneously transfer multiple goods on the loader 300 to the handling robot 500 docked with the loader. The handling robot 500 can Move processed goods to storage racks.

Exemplarily, the unloader 200 includes an unloading rack 210 and a first lifting mechanism 220 , and the first lifting mechanism 220 is disposed between the unloading rack 210 and the cargo inlet 111 . The unloading rack 210 simultaneously transfers a plurality of goods on the transport robot 500 to the unloading rack 210 , and the first lifting mechanism 220 transfers the goods on the unloading rack 210 to the goods inlet 111 . In specific implementation, the unloading rack 210 includes multiple storage layers arranged in the height direction, the cargo inlet 111 is flush with the first conveying section 110, and the first lifting mechanism 220 has a conveying platform that can move up and down, and the conveying platform can The goods in any storage layer of the unloading rack 210 are transferred to the goods inlet 111 .

Exemplarily, the loading machine 300 includes a loading rack and a second lifting mechanism, and the second lifting mechanism is disposed between the loading rack and the goods outlet 112 . The second lifting mechanism transfers the goods from the goods outlet 112 to the loading rack, and the loading rack transfers the goods on the loading rack to the transport robot 500 . In specific implementation, the loading rack includes multiple layers of goods arranged along the height direction, the goods outlet 112 is flush with the first conveying section 110, the second lifting mechanism has a conveying platform that can move up and down, and the conveying platform can export the goods The goods of 112 are transferred to any storage layer of the loading rack.

Exemplarily, the handling robot 500 includes a mobile base 510 and a robot rack 520 arranged on the mobile base 510. The robot rack 520 may include multiple storage layers arranged in the height direction. The robot rack 520 is used for connecting with the feeder 300. , the unloader 200 or the unloading integrated machine 400 in the following is docked. In specific implementation, the robot rack 520 can be docked with the unloading rack 210, so that multiple goods on the robot rack 520 can be transferred to the unloading rack at the same time. The storage layers can have the same number of layers and are correspondingly flush; the robot rack 520 can be docked with the loading rack, so that multiple goods on the loading rack can be transferred to the robot rack 520 at the same time, and the multi-layer storage of the robot rack 520 The multi-layer storage layers of the layer and the loading rack can have the same number of layers and are correspondingly flush.

1 to 3 , the cargo inlet 111 and the cargo outlet 112 can be arranged adjacently, and of course, the cargo inlet 111 and the cargo outlet 112 can also be arranged at intervals according to actual needs.

3 , when the cargo inlet 111 and the cargo outlet 112 are disposed adjacently, a second transfer device 140 may be provided on at least one of the cargo inlet 111 and the cargo outlet 112 , and the second transfer device 140 transfers the cargo of the cargo outlet 112 Transfer to cargo import 111.

Further, the cargo inlet 111 is provided with an integrated loading and unloading machine 400, and the integrated loading and unloading machine 400 is used to transfer the cargo on the integrated loading and unloading machine 400 to the cargo inlet 111, or the integrated loading and unloading machine 400 is used to The cargo transferred from the cargo outlet 112 to the cargo inlet 111 is transferred to the integrated loading and unloading machine 400 .

In specific implementation, the handling robot 500 can pick up the goods from the storage shelf, and carry the goods to the docking with the integrated loading and unloading machine 400. The integrated loading and unloading machine 400 can simultaneously transfer multiple goods on the handling robot 500 to the upper On the integrated unloading machine 400 , the integrated loading and unloading machine 400 can transfer the goods on the integrated loading and unloading machine 400 to the goods inlet 111 , so that the goods enter the closed-loop conveying line 100 through the goods inlet 111 . The goods leaving the closed-loop conveying line 100 enter the goods outlet 112 , enter the goods inlet 111 via the second transfer device 140 , and enter the integrated loading and unloading machine 400 . The goods are simultaneously transferred to the handling robot 500 docked with the integrated loading and unloading machine 400, and the handling robot 500 can transport the processed goods to the storage rack. On the one hand, the loading and unloading machine 400 can be shared by the cargo inlet 111 for loading and the cargo outlet 112 for unloading, which is beneficial to simplify the structure of the cargo conveying system and save costs. On the other hand, after the integrated loading and unloading machine 400 completes unloading, the transporting robot 500 does not need to move, so that the integrated loading and unloading machine 400 loads the recovered goods onto the transporting robot 500, which is beneficial to reduce the running path of the transporting robot 500. The energy consumption of the handling robot 500 is saved.

Exemplarily, the integrated loading and unloading machine 400 includes a loading and unloading rack and a third lifting mechanism, and the third lifting mechanism is disposed between the loading and unloading rack and the goods inlet 111 . When the loading and unloading integrated machine 400 is loading, the third lifting mechanism transfers the goods transferred from the cargo outlet 112 to the cargo inlet 111 to the loading and unloading rack, and the loading and unloading rack simultaneously transfers a plurality of goods on the loading and unloading rack to the loading and unloading rack. When the loading and unloading integrated machine 400 is unloading, the loading and unloading rack transfers multiple goods on the transporting robot 500 to the loading and unloading rack at the same time, and the third lifting mechanism transfers the goods on the loading and unloading rack to the loading and unloading rack. Import of goods 111.

In specific implementation, the loading and unloading racks include multi-layer storage layers arranged in the height direction, the cargo inlet 111 is flush with the first conveying section 110, and the third lifting mechanism has a conveying platform that can move up and down, and the conveying platform can The goods in any storage layer of the unloading rack are transferred to the goods inlet 111, or, the goods in the goods inlet 111 are transferred to any storage layer of the upper and unloading rack. The robot rack 520 can be docked with the loading and unloading rack, so that when loading, the goods on the loading and unloading rack can be transferred to the robot rack 520, or when unloading, the goods on the robot rack 520 can be transferred to the loading and unloading rack on the shelf. The multi-layered storage layers of the robot rack 520 and the multi-layered storage layers of the upper and lower unloading racks may have the same number of layers and are correspondingly flush.

The conveying direction of the picking conveying line 121 is from the first end of the picking conveying line 121 to the second end of the picking conveying line 121 . In a possible implementation, referring to FIG. 2 , the first end of the picking conveying line 121 and the second end of the picking conveying line 121 are sequentially arranged along the conveying direction of the second conveying section 120 . In the specific implementation, the goods are transported along the second conveying section 120 to the first end of the picking conveyor line 121 , and can directly enter the picking conveyor line 121 from the first end of the picking conveyor line 121 to increase the picking rate. The two ends leave the picking conveying line 121 and re-enter the second conveying section 120 .

In another possible implementation manner, referring to FIG. 1 , the second end of the picking conveying line 121 and the first end of the picking conveying line 121 are sequentially arranged along the conveying direction of the second conveying section 120 . In the specific implementation, the goods are conveyed along the second conveying section 120 through the second end of the picking conveying line 121 to the first end of the picking conveying line 121, and can enter the picking conveying line 121 from the first end of the picking conveying line 121, and from the picking The second end of the conveying line 121 leaves the picking conveying line 121 and re-enters the second conveying section 120 . In this process, on the one hand, there is a longer buffering time before the goods are transported along the second conveying section 120 to the first end of the picking conveyor line 121 , which reduces the possibility that the goods cannot be occupied due to fewer buffer spaces on the picking conveyor line 121 . The probability of entering the picking conveyor line 121 so that the goods can be queued up to enter the picking conveyor line 121; on the other hand, after the goods leave the picking conveyor line 121 from the second end of the picking conveyor line 121, they can be conveyed again along the second conveyor section 120 to The first end of the picking conveying line 121 is used to return to the picking conveying line 121 with the shortest distance to correct the error or complete the picking when the picking conveying line 121 picks wrongly or misses the picking.

Optionally, there is at least one container space between the first end of the picking conveying line 121 and the second end of the picking conveying line 121 . Exemplarily, one, two or more container positions may be spaced between the first end of the picking conveyor line 121 and the second end of the picking conveyor line 121. On the one hand, it is beneficial to ensure the length of the picking conveyor line 121, which is convenient Picking; on the other hand, it is beneficial to ensure the length of the second conveying section 120 between the first end of the picking conveyor line 121 and the second end of the picking conveyor line 121, so that the first end of the picking conveyor line 121 is connected to the When the position of the second conveying section 120 is located downstream of the second end of the picking conveying line 121 connected to the position of the second conveying section 120 , the goods can have a longer buffer box before entering the first end of the picking conveying line 121 place to avoid congestion.

Optionally, an identification device 122 is provided at an upstream position of each picking conveying line 121 , and the identifying device 122 is used to identify a container close to the sorting conveying line 121 to determine whether the container needs to enter the sorting conveying line 121 . Exemplarily, the identification device 122 may be a code scanner, an identification code is provided on the container, and the code scanner may scan the identification code of the container to identify the container. Of course, the identification device 122 may also be other devices known to those skilled in the art, and details are not described herein again.

Referring to FIG. 5 , the picking conveying line 121 may include two picking positions, and two adjacent third transfer devices 150 are disposed between the two picking positions. The third transfer device 150 near the first end of the picking conveyor line 121 transfers the goods on the picking conveyor line 121 to the second conveyor section 120, and the third transfer device 150 near the second end of the picking conveyor line 121 The goods on the second conveying section 120 are transferred to the picking conveying line 121 .

Exemplarily, the third transfer device 150 may be a push-pull rod, the push-pull rod transfers the goods along the transfer direction, and the push-pull rod may be disposed on the conveyor line at the front end of the transfer direction, or the push-pull rod may be disposed at the end of the transfer direction. The conveyor line at the rear end. Alternatively, the third transfer device 150 may be a lifting roller. When the lifting roller is raised, the goods are supported on the lifting roller, and the lifting roller drives the goods to move in the transfer direction; when the lifting roller is lowered, the goods return to the conveying state . The lifting and lowering rollers may be arranged on the conveyor line at the rear end of the transfer direction, or the lifting and lowering rollers may be simultaneously arranged on two adjacent transportation lines in the transfer direction. The lifting and lowering rolling elements can be spherical, cylindrical, or the like. Alternatively, the third transfer device 150 can be a device known to those skilled in the art that can transfer the goods between the picking conveyor line 121 and the second conveyor section 120 .

When the picking amount is relatively small, the picking position located upstream of the picking conveyor line 121 in the conveying direction can be closed, so that the picking position located downstream of the picking conveyor line 121 in the conveying direction can work normally, and at the same time, the two picking positions between the two picking positions are closed adjacent third transfer devices 150 . In a specific implementation, the goods enter the picking conveyor line 121 from the first end of the picking conveyor line 121 , and then leave the picking conveyor line 121 from the second end of the picking conveyor line 121 after being picked by the picking position downstream of the picking conveyor line 121 . Therefore, it is not only beneficial to increase the buffer position before the container reaches the picking position, but also beneficial to reduce the input of the picking personnel.

When the picking amount is relatively large, the two picking positions of the picking conveying line 121 can be turned on, and at the same time, the two adjacent third transfer devices 150 between the two picking positions can be turned on. In the specific implementation, a part of the goods can enter the picking conveyor line 121 from the first end of the picking conveyor line 121 , and after being picked by the picking position upstream of the picking conveyor line 121 , from the third transfer device close to the first end of the picking conveyor line 121 150 is transferred to the second conveying section 120; a part of the goods can enter the picking conveying line 121 from the third transfer device 150 near the second end of the picking conveying line 121, and after being picked at the picking position downstream of the The second end of the conveyor line 121 leaves the pick conveyor line 121 . Thereby, it is beneficial to improve the picking efficiency and reduce the waiting time of the container.

Further, along the conveying direction of the second conveying section 120, an identification device may be provided near the upstream of the first end of the picking conveying line 121 to identify the goods that need to enter the picking conveying line 121 from the first end of the picking conveying line 121; An identification device may also be provided near the upstream of the third transfer device 150 at the second end of the pick conveyor line 121 to identify goods entering the pick conveyor line 121 from the third transfer device 150 near the second end of the pick conveyor line 121 .

Referring to FIG. 6 , the conveying surface of the picking conveying line 121 can be inclined, and the side of the conveying surface far from the second conveying section 120 is lower than the side of the conveying surface that is close to the second conveying section 120 . In the specific implementation, the picking person is located on the side of the picking conveyor line 121 away from the second conveying section 120, and when the container is conveyed on the conveying surface of the picking conveyor line 121, the side of the container close to the picking person is inclined downward, so that The picker picks the goods in the box.

Continuing to refer to FIG. 6 , the goods conveying system may further include an auxiliary conveying line 600 , which is arranged above the picking conveying line 121 ; the projection of the side of the auxiliary conveying line 600 away from the second conveying section 120 in the vertical direction , falls between the side of the picking conveying line 121 away from the second conveying section 120 and the second conveying section 120 . The bottom surface of the container conveyed by the cargo conveying system is rectangular, the width of the conveying surface of the auxiliary conveying line 600 is the same as the width of the bottom surface of the container, and the width of the conveying surface of the picking conveying line 121 is the same as the length of the bottom surface of the container. Therefore, not only can the auxiliary conveying line prevent the picking personnel from picking goods from the picking conveying line 121 , but also it is convenient to put empty boxes on the auxiliary conveying line 600 for recycling, or complete other conveying tasks through the auxiliary conveying line 600 .

1 to 3 , at least one picking and conveying line 121 may be provided between two adjacent first transfer devices 130; ; Alternatively, at least one picking conveying line 121 and at least one group of import and export of goods may be set between two adjacent first transfer devices 130 at the same time. Therefore, it is beneficial to form more conveying paths in the cargo conveying system, making the conveying strategy more flexible, and further helping to improve the conveying efficiency and conveying flexibility of the cargo conveying system.

Optionally, the closed-loop conveying line 100 is provided with conveying rollers or conveying belts, and the conveying rollers or conveying belts on the closed-loop conveying line 100 drive the goods to move along the conveying direction of the closed-loop conveying line 100 . Exemplarily, the closed-loop conveying line 100 is provided with multiple conveying rollers, and the multiple conveying rollers are arranged in parallel along the conveying direction of the closed-loop conveying line 100 , so as to drive the goods to move along the conveying direction of the closed-loop conveying line 100 . The picking conveyor line 121 is provided with conveyor rollers or conveyor belts, and the conveyor rollers or conveyor belts on the picking conveyor line 121 drive the goods to move along the conveying direction of the picking conveyor line 121 . Exemplarily, the picking conveying line 121 is provided with multiple conveying rollers, and the multiple conveying rollers are arranged in parallel along the conveying direction of the picking conveying line 121 , so as to drive the goods to move along the conveying direction of the picking conveying line 121 .

In a possible implementation manner, the first transfer device 130 or the second transfer device 140 is a push-pull rod, and the push-pull rod transfers the goods along the transfer direction. Exemplarily, the push-pull rod may be disposed on the conveyor line at the front end of the transfer direction, or the push-pull rod may be disposed on the conveyor line at the rear end of the transfer direction.

In another possible implementation manner, the first transfer device 130 or the second transfer device 140 is a lifting rolling member, when the lifting rolling member is raised, the goods are supported on the lifting rolling member, and the lifting rolling member drives the goods to move along the When the lifting rolling element is lowered, the goods return to the conveying state. Exemplarily, the lifting and lowering rollers may be arranged on the conveyor line at the rear end of the transferring direction, or the lifting and lowering rollers may be simultaneously arranged on two adjacent transportation lines in the transferring direction. The lifting and lowering rolling elements can be spherical, cylindrical, or the like.

It can be understood that, the first transfer device 130 and the second transfer device 140 may also include other devices known to those skilled in the art, as long as the first transfer device 130 and the second transfer device 130 and the second transfer device in the embodiments of the present disclosure can be satisfied. The requirements of the device 140 are sufficient, and details are not repeated here.

To sum up, in the goods conveying system provided by the embodiments of the present disclosure, at least two picking and conveying lines are arranged on the closed-loop conveying line, so that goods that need to enter multiple picking and conveying lines can be directly conveyed along the closed-loop conveying line and enter multiple picking and conveying lines one by one. The picking conveyor line is used for picking, which not only saves the transfer device between the various picking conveyor lines, but also helps to improve the efficiency of goods transportation. Closed-loop conveyor lines also allow items to re-route back to the missed pick conveyor entry when they miss their entry into the pick conveyor.

Further, by setting at least three first transfer devices on the closed-loop conveying line, the first transfer devices can transfer the goods on the second conveying section to the first conveying section, or, the first conveying section The goods are transferred to the second conveying section. On the one hand, the goods entering the first conveying section through the goods inlet can be selected to enter the second conveying section through the first transfer device with a relatively short conveying path and enter the picking conveyor line, or the goods that have been picked in the picking conveyor line can be selected. By selecting the first transfer device with a relatively short conveying path to enter the first conveying section and leave from the goods outlet, the goods do not need to go around a large circle along the closed-loop conveying line, which is beneficial to further improve the efficiency of goods conveying. On the other hand, the goods that have missed the picking and conveying line can choose to bypass the first transfer device with a relatively short conveying path to return to the missed picking and conveying line, so as to further improve the efficiency of goods conveying.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, but not to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present disclosure. scope.

Claims (20)

1. The goods conveying system is characterized by comprising a closed-loop conveying line, wherein the closed-loop conveying line comprises a first conveying section and a second conveying section which are sequentially connected end to end, and the conveying directions of the first conveying section and the second conveying section are opposite;

at least two groups of goods inlets and outlets are arranged on one side of the first conveying section at intervals, and each goods inlet and outlet comprises a goods inlet and a goods outlet; at least two picking conveying lines are arranged on one side of the second conveying section, and two ends of each picking conveying line are connected to the second conveying section at intervals, so that goods on the second conveying section enter the picking conveying lines from the first ends of the picking conveying lines, or goods on the picking conveying lines enter the second conveying section from the second ends of the picking conveying lines;

at least three first transfer devices are arranged on the closed-loop conveying line, wherein two first transfer devices are respectively positioned at two ends of the first conveying section; and the rest of the first transfer devices are positioned between any two picking conveying lines, the rest of the first transfer devices are positioned between any two groups of the goods inlets and outlets, and the first transfer devices transfer the goods on the second conveying section to the first conveying section or transfer the goods on the first conveying section to the second conveying section.

2. The cargo conveying system of claim 1, further comprising an unloader and an loader; the unloading machine is arranged at the goods inlet and is used for transferring goods on the unloading machine to the goods inlet; the feeding machine is arranged at the goods outlet and used for transferring goods at the goods outlet to the feeding machine.

3. The cargo conveying system according to claim 2, further comprising a transfer robot, wherein when the transfer robot is docked with the unloader, the unloader is adapted to transfer the cargo on the transfer robot to the unloader;

when the transfer robot is in butt joint with the feeding machine, the feeding machine is used for transferring the goods on the feeding machine to the transfer robot.

4. The cargo conveying system according to claim 1, wherein the cargo inlet and the cargo outlet are adjacently disposed.

5. The cargo conveying system according to claim 4, wherein the cargo inlet and/or the cargo outlet is provided with a second transfer device that transfers the cargo at the cargo outlet to the cargo inlet.

6. The cargo conveying system according to claim 5, wherein the cargo inlet is provided with an upper discharging all-in-one machine for transferring the cargo on the upper discharging all-in-one machine to the cargo inlet, or the upper discharging all-in-one machine for transferring the cargo transferred from the cargo outlet to the cargo inlet to the upper discharging all-in-one machine.

7. The cargo conveying system according to claim 1, wherein the first end of the picking conveyor line and the second end of the picking conveyor line are arranged in sequence along the conveying direction of the second conveying section; or the second end of the picking conveying line and the first end of the picking conveying line are sequentially arranged along the conveying direction of the second conveying section;

the conveying direction of the picking conveying line is from the first end of the picking conveying line to the second end of the picking conveying line.

8. The cargo conveying system according to claim 1 or 7, wherein the first end of the picking conveyor line and the second end of the picking conveyor line are separated by at least one bin position.

9. The cargo conveying system according to claim 1 or 7, wherein an identification device is provided at a location upstream of each picking conveyor line for identifying a container adjacent to the picking conveyor line to determine whether the container requires access to the picking conveyor line.

10. The cargo conveying system according to claim 1 or 7, wherein the picking conveyor line comprises two picking positions, and two adjacent third transfer devices are arranged between the two picking positions; the third transfer device close to the first end of the picking conveying line transfers the goods on the picking conveying line to the second conveying section, and the third transfer device close to the second end of the picking conveying line transfers the goods on the second conveying section to the picking conveying line.

11. The cargo conveying system according to claim 1, wherein the conveying surface of the picking conveying line is arranged obliquely, and a side of the conveying surface away from the second conveying section is lower than a side of the conveying surface close to the second conveying section.

12. The cargo conveying system according to claim 1 or 11, further comprising an auxiliary conveying line disposed above the picking conveying line;

the projection of one side of the auxiliary conveying line far away from the second conveying section in the vertical direction falls between one side of the picking conveying line far away from the second conveying section and the second conveying section;

the bottom surface of the container conveyed by the goods conveying system is rectangular, the width of the conveying surface of the auxiliary conveying line is consistent with that of the bottom surface of the container, and the width of the conveying surface of the picking conveying line is consistent with that of the bottom surface of the container.

13. The cargo conveying system according to any one of claims 1 to 7, wherein at least one picking conveyor line and/or at least one group of cargo entrances and exits are provided between two adjacent first transfer devices.

14. The cargo conveying system according to claim 3, wherein the unloader includes an unloading rack and a first elevating mechanism, the first elevating mechanism being provided between the unloading rack and the cargo inlet;

the goods on the carrying robot are transferred to the unloading goods shelf through the unloading goods shelf, and the goods on the unloading goods shelf are transferred to the goods inlet through the first lifting mechanism.

15. The cargo conveying system according to claim 3, wherein the loader comprises a loading rack and a second lifting mechanism, the second lifting mechanism being disposed between the loading rack and the cargo outlet;

the second lifting mechanism transfers the goods at the goods outlet to the loading goods shelf, and the loading goods shelf transfers the goods on the loading goods shelf to the transfer robot.

16. The cargo conveying system according to claim 6, wherein the all-in-one machine for loading and unloading comprises an upper unloading shelf and a third lifting mechanism, and the third lifting mechanism is arranged between the upper unloading shelf and the cargo inlet;

when the loading and unloading integrated machine is used for loading, the third lifting mechanism transfers the goods transferred from the goods outlet to the goods inlet to the loading and unloading goods shelf, and the loading and unloading goods shelf transfers the goods on the loading and unloading goods shelf to the transfer robot;

when the upper discharging and discharging integrated machine discharges materials, the upper discharging and discharging goods shelf transfers goods on the transfer robot to the upper discharging and discharging goods shelf, and the third lifting mechanism transfers the goods on the upper discharging and discharging goods shelf to the goods inlet.

17. The cargo conveying system according to claim 3, wherein the transfer robot includes a moving base and a robot shelf provided on the moving base, the robot shelf being adapted to dock with a loader, unloader or all-in-one loader and unloader and transfer the cargo.

18. The cargo conveying system according to any one of claims 1-7, wherein conveying rollers or conveying belts are arranged on the closed-loop conveying line, and the conveying rollers or the conveying belts on the closed-loop conveying line move the cargos along the conveying direction of the closed-loop conveying line;

the picking conveying line is provided with conveying rollers or conveying belts, and the conveying rollers or the conveying belts on the picking conveying line drive the goods to move along the conveying direction of the picking conveying line.

19. The cargo conveying system according to claim 5, wherein the first transfer device or the second transfer device is a push-pull rod that transfers the cargo in a transfer direction.

20. The cargo conveying system according to claim 5, wherein the first transfer device or the second transfer device is a lifting roller, when the lifting roller is lifted, the cargo is supported on the lifting roller, and the lifting roller drives the cargo to move along the transfer direction; when the lifting rolling piece descends, the goods are recovered to be conveyed.

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